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CVE-2023-48387— TAIWAN-CA(TWCA) JCICSecurityTool - Improper Input Validation

Quick assessment

Affected
TAIWAN-CA(TWCA) JCICSecurityTool
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TAIWAN-CA(TWCA) JCICSecurityTool是台湾网路认证（TWCA）公司的一款应用软件。 TAIWAN-CA(TWCA) JCICSecurityTool v4.2.3.32版本存在跨站脚本漏洞，该漏洞源于注册表相关函数对特殊字符的过滤不足，远程攻击者利用该漏洞可以将恶意脚本注入网页以执行跨站脚本攻击。

CVSS 8.8 · High EPSS 1.03% · P61
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I. Basic Information for CVE-2023-48387

Vulnerability Information
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Vulnerability Title
TAIWAN-CA(TWCA) JCICSecurityTool - Improper Input Validation
Source: CVE Program / CVE List V5
Vulnerability Description
TAIWAN-CA(TWCA) JCICSecurityTool fails to check the source website and access locations when executing multiple Registry-related functions. In the scenario where a user is using the JCICSecurityTool and has completed identity verification, if the user browses a malicious webpage created by an attacker, the attacker can exploit this vulnerability to read or modify any registry file under HKEY_CURRENT_USER, thereby achieving remote code execution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
通信信道源的不正确验证
Source: CVE Program / CVE List V5
Vulnerability Title
TAIWAN-CA(TWCA) JCICSecurityTool 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TAIWAN-CA(TWCA) JCICSecurityTool是台湾网路认证（TWCA）公司的一款应用软件。 TAIWAN-CA(TWCA) JCICSecurityTool v4.2.3.32版本存在跨站脚本漏洞，该漏洞源于注册表相关函数对特殊字符的过滤不足，远程攻击者利用该漏洞可以将恶意脚本注入网页以执行跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TAIWAN-CA(TWCA) JCICSecurityTool 4.2.3.32 -

II. Public POCs for CVE-2023-48387

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III. Intelligence Information for CVE-2023-48387

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Other References for CVE-2023-48387 (1)

IV. Related Vulnerabilities

Same weakness: CWE-940

V. Comments for CVE-2023-48387

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